As San Francisco International Airport's new Terminal 1 starts to take shape, it's looking increasingly likely that it will get a much more famous name.

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Terminal 1 at SFO is comprised of Boarding Area B and Boarding Area C. Currently "interim" Boarding Area B is used by Southwest and Frontier. Delta is the primary carrier in Boarding Area C. (See slideshow up top for airport map.)

Last week San Francisco's budget and finance committee voted in favor of naming Terminal 1 for Harvey Milk, the city's first openly gay supervisor, who was assassinated in City Hall in 1978. Five years ago, city leaders began looking at the possibility of renaming the entire airport after Milk, so this is a downsized version of that effort.

The San Francisco Board of Supervisors is expected to vote on naming the terminal for Milk next week (April 3). The measure would then move to the mayor's desk for approval.

If approved, it is still going to be years before passengers start flying out of the Harvey Milk Terminal at SFO.

The massive $2.4 billion rebuild of the terminal began in June of 2016, and the first phase, just nine gates and a new security checkpoint, won't open until summer of 2019.

In early 2020 the second phase will open with another nine gates along with new ticket counters at the south end of the terminal. In the third phase, in mid-2021, seven more gates open along with a new post-security connector to the International Terminal.

The final phase, and project completion, won't come until the fourth quarter of 2022 or later. It has yet to be determined during which phase Terminal 1 could be christened with a new name, but my guess is at project completion, five years from now.

Upon completion, Boarding Area B will feature a total of 24 gates, including six gates which can accommodate international arrivals by providing direct access to the U.S. Customs & Border Protections Federal Inspection Area. Connecting walkways located post-security will provide easy access to International Boarding Area A and Boarding Area C (Delta), which has a new behind-security corridor to Terminal 2.

Take a look at the slideshow above and you'll see the foundation for Boarding Area B and the south end of the terminal taking shape with steel erection underway. The video below shows how all four stages of the project will eventually come together.

The $2.4 billion terminal will eventually house the operations of American, Frontier and Southwest Airlines with the possibility of more to be named later on.